Six Sigma Six Sigma Certifications LSSMBB Questions & Answers

• Question 101:

  Review the analysis shown here.

  

  Which statements are true about the process? (Note: There are 3 correct answers).

  A. The initial focus for this project would be to determine why the thicknesses are so frequently too low.

  B. The majority of the process is closer to the lower specification limit.

  C. This process is described with the Weibull Distribution.

  D. The process has more problems with Variation than Centering.

  E. The process follows a non-normal distribution with the given data.

  Correct Answer: BDE

• Question 102:

  A(n) ______________ is best used to compare a Machine 1 average quality characteristic to the same quality characteristic of Machine 2.

  A. F test

  B. 1-Sample t-test

  C. 2-Sample t-test

  D. ANOVA test

  Correct Answer: C

• Question 103:

  For the data set shown here which of these statements is/are true?

  

  A. Hypothesis Testing of Means or Medians cannot be done since there are an unequal number of observations for the 3 samples

  B. A Paired T-test would be applicable for comparing Grade B and Grade A since they follow each other in the data set

  C. Grade A has the lowest sample Mean of the 3 samples

  D. Grade A has a higher sample Mean than Grade B

  Correct Answer: C

• Question 104:

  A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

  A. True

  B. False

  Correct Answer: A

• Question 105:

  Contingency Tables are used to test for association, or dependency, between two or more classifications.

  A. True

  B. False

  Correct Answer: A

• Question 106:

  For the data shown here which statement(s) are true? (Note: There are 2 correct answers).

  

  A. With 95% confidence, we cannot conclude if the samples are from three Normal Distributions.

  B. With greater than 95% confidence, we conclude the samples are from Non-normal Distributions.

  C. If we wanted to compare the Central Tendencies of these three samples we would use the one way ANOVA test.

  D. If we wanted to compare the Central Tendencies of these three samples we could use Mood's Median test.

  Correct Answer: BD

• Question 107:

  The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

  A. Testing the identity of two populations

  B. Focuses on equality of the Median of the two populations

  C. Less powerful than the traditional "t-test"

  D. More widely applicable than the traditional "t-test"

  Correct Answer: BD

• Question 108:

  Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

  A. Process proportion equals some value range

  B. Process proportion equals some desired value

  C. Target is current

  D. Proportion of the tail is equal

  Correct Answer: B

• Question 109:

  The relationship between a response variable and one or more independent variables is investigated and modeled by use of __________________.

  A. X-Y Matrix

  B. Baldridge Assessment

  C. Analysis of Variance (ANOVA)

  D. Critical X's Definition

  Correct Answer: C

• Question 110:

  An ANOVA used across many dependent variables could increase the Beta risk.

  A. True

  B. False

  Correct Answer: B